The effect of acidosis on the ECG of the rat heart

A. Aberra, K. Komukai, F. C. Howarth, C. H. Orchard

Research output: Contribution to journalArticlepeer-review

27 Citations (Scopus)


We have investigated the effect of acidosis on the ECG in isolated rat heart to determine whether acidosis has marked effects on the ECG, and have used pharmacological agents to investigate possible mechanisms whereby acidosis alters the ECG. Acidosis produced a marked decrease in heart rate and an increase in P-R interval with little apparent effect on the duration of the QRS complex. The effects of acidosis did not appear to be due to acidosis-induced changes in transmitter release from severed autonomic nerve terminals within the heart.

Original languageEnglish
Pages (from-to)27-31
Number of pages5
JournalExperimental Physiology
Issue number1
Publication statusPublished - 2001

ASJC Scopus subject areas

  • Physiology
  • Nutrition and Dietetics
  • Physiology (medical)


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